LiuGong CLG835H, Service Manual

Page: 659 / 764

8-1
January 24, 2017
Electrical System
CLG835H
Electrical System
Basic Information ............................................................................................................8-5
Instructions of service manual ...............................................................................................................8-5
Notes for welding ...................................................................................................................................8-5
The introduction of signs on the electrical schematic.............................................................................8-7
Structure Function Principle ..........................................................................................8-9
Power System........................................................................................................................................8-9
Power System ....................................................................................................................................8-9
Electric lock .....................................................................................................................................8-11
Fuse .................................................................................................................................................8-12
Disconnect switch ............................................................................................................................8-15
Battery..............................................................................................................................................8-16
Power supply relay...........................................................................................................................8-18
Starting module....................................................................................................................................8-21
Start Contactor .................................................................................................................................8-24
Relay ................................................................................................................................................8-24
Starting Motor...................................................................................................................................8-25
Alternator..........................................................................................................................................8-26
Monitoring system ................................................................................................................................8-28
Circuit for engine water temperature indication................................................................................8-28
Circuit for torque converter oil temperature indication .....................................................................8-28
Circuit for oil pressure alarm ............................................................................................................8-30
Circuit for transmission oil pressure alarm .......................................................................................8-30
Circuit for fuel level indication ..........................................................................................................8-31
Circuit for DEF level indication .........................................................................................................8-33
Circuit for vehicle speed indication...................................................................................................8-33
Service brake indication circuit.........................................................................................................8-33
Wiring schematic diagram of braking ...............................................................................................8-34
Circuit for parking brake power cut-off .............................................................................................8-36
Circuit for service brake clutch on/off ...............................................................................................8-39
Circuit for air filter blockage alarm....................................................................................................8-40
Circuit for alternator charging indication...........................................................................................8-40
Circuit for voltage indication .............................................................................................................8-42
Circuit of preheat indicator ...............................................................................................................8-43